This book provides a concise and comprehensive overview of the practice of coteaching, including its benefits and educational and social implications. Coteaching plays an important role in enhancing the experience and effectiveness of pre-service and in-service teachers during school experience at a time when teacher retention rates are a concern both nationally and internationally. Traditional practice in school experience, generally comprising observation followed by complete take-over of classes, has not altered in more than a century, despite significant changes in the role of the teacher, the needs of students, the learning environment and the functioning of schools. Coteaching provides a pedagogy which supports pre-service teachers more actively and promotes teacher professional development, as they work together in co-planning, co-practice and co-evaluating lessons during school-based experience.